2 7 1
6 8 5 3
5 1
8 6 4 9
9 4
3 7 8 6
6 4
2 9 3 1
9 5 7
05-09-2018.......medium 05-09-2018
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3 4 2 9 6 8 5 7 1
1 6 8 7 5 3 4 2 9
5 7 9 1 4 2 6 3 8
8 3 6 4 2 9 1 5 7
7 9 1 6 8 5 2 4 3
4 2 5 3 1 7 8 9 6
2 1 3 5 7 6 9 8 4
6 8 7 2 9 4 3 1 5
9 5 4 8 3 1 7 6 2
5=>(1,7) | 6=>(8,1) | 1=>(2,1) | 9=>(3,3) | 8=>(9,4) | 9=>(6,8) | 6=>(9,8) | 9=>(1,4) |

7=>(3,2) | 4=>(2,7) | 7=>(2,4) | 2=>(2,8) | 6=>(3,7) | 5=>(6,3) | 9=>(7,7) | 2=>(9,9) |

9=>(2,9) | 6=>(1,5) | 7=>(4,9) | 6=>(5,4) | 5=>(7,4) | 7=>(7,5) | 7=>(8,3) | 8=>(1,6) |

7=>(5,1) | 4=>(9,3) | 5=>(4,8) | 3=>(9,5) | 5=>(5,6) | 4=>(8,6) | 8=>(7,8) | 5=>(8,9) |

8=>(8,2) | 4=>(3,5) | 2=>(3,6) | 8=>(3,9) | 3=>(3,8) | 3=>(4,2) | 8=>(5,5) | 3=>(5,9) |

1=>(9,6) | 4=>(1,2) | 3=>(1,1) | 3=>(7,3) | 1=>(5,3) | 2=>(5,7) | 4=>(6,1) | 2=>(7,1) |

1=>(7,2) | 2=>(6,2) | 2=>(4,5) | 1=>(4,7) | 1=>(6,5) |